630841087 has 2 divisors, whose sum is σ = 630841088. Its totient is φ = 630841086.

The previous prime is 630841067. The next prime is 630841153. The reversal of 630841087 is 780148036.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 630841087 - 2¹¹ = 630839039 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630841067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315420543 + 315420544.

It is an arithmetic number, because the mean of its divisors is an integer number (315420544).

Almost surely, 2^630841087 is an apocalyptic number.

630841087 is a deficient number, since it is larger than the sum of its proper divisors (1).

630841087 is an equidigital number, since it uses as much as digits as its factorization.

630841087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 630841087 is about 25116.5500616625. The cubic root of 630841087 is about 857.6432169056.

The spelling of 630841087 in words is "six hundred thirty million, eight hundred forty-one thousand, eighty-seven".